diff --git a/packages/next/src/server/dev/next-dev-server.ts b/packages/next/src/server/dev/next-dev-server.ts
index 10ce5c50a0734..c36f0c36dba14 100644
--- a/packages/next/src/server/dev/next-dev-server.ts
+++ b/packages/next/src/server/dev/next-dev-server.ts
@@ -64,10 +64,7 @@ import { DetachedPromise } from '../../lib/detached-promise'
 import { isPostpone } from '../lib/router-utils/is-postpone'
 import { generateInterceptionRoutesRewrites } from '../../lib/generate-interception-routes-rewrites'
 import { buildCustomRoute } from '../../lib/build-custom-route'
-import {
-  decorateServerError,
-  getErrorSource,
-} from '../../client/components/react-dev-overlay/server/middleware'
+import { decorateServerError } from '../../client/components/react-dev-overlay/server/middleware'
 
 // Load ReactDevOverlay only when needed
 let ReactDevOverlayImpl: FunctionComponent
diff --git a/packages/next/src/server/render.tsx b/packages/next/src/server/render.tsx
index feafc53ce3e61..c824071be3aab 100644
--- a/packages/next/src/server/render.tsx
+++ b/packages/next/src/server/render.tsx
@@ -105,7 +105,6 @@ import { getTracer } from './lib/trace/tracer'
 import { RenderSpan } from './lib/trace/constants'
 import { ReflectAdapter } from './web/spec-extension/adapters/reflect'
 import { formatRevalidate } from './lib/revalidate'
-import { getErrorSource } from '../client/components/react-dev-overlay/server/middleware'
 
 let tryGetPreviewData: typeof import('./api-utils/node/try-get-preview-data').tryGetPreviewData
 let warn: typeof import('../build/output/log').warn
diff --git a/test/development/middleware-errors/middleware.js b/test/development/middleware-errors/middleware.js
deleted file mode 100644
index 07a078c450519..0000000000000
--- a/test/development/middleware-errors/middleware.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import { NextResponse } from 'next/server'
-throw new Error('booooom!')
-export default function () {
-  return NextResponse.next()
-}